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Cycle life and coulombic efficiency of a 5V solid state lithium-ion battery

A high-voltage (5V) solid state battery has been demonstrated to have an extremely long cycle life of over 10,000 cycles. For a given size of battery, the energy stored in a battery is proportional to its voltage. Conventional lithium-ion batteries use organic liquid electrolytes that have a maximum operating voltage of 4.3 V. Operating a battery above this limit causes short cycle life and serious safety concerns.

Read more at: http://www.ornl.gov/ornl/highlights/a-high-energy-solid-state-battery-with-an-extremely-long-cycle-life-